Results 31 to 40 of about 14,191 (165)
Zhejiang Daxue xuebao. Lixue ban, 2016 用HZSM-5，USY-1，H-beta 3种不同类型的分子筛对木屑的快速热裂解气进行原位催化转化.研究了不同分子筛对积碳量、生物油产率、生物油组分分布的影响.实验结果表明，分子筛积碳量排序为：USY-1>H-beta> HZSM-5.生物油产率在使用催化剂后有所降低，并且HZSM-5产生的生物油产率最高.使用催化剂后生物油组分种类和含量都有明显的变化.3种分子筛中，HZSM-5催化产生的烃类含量大大增加，轻质苯酚含量也明显增加，重质苯酚和糖类含量明显降低，催化效果显著 ...
ZHANGYindi(张引弟) +2 more
doaj +1 more source
Analysis and Design of the Audit Daily Management System of the Electric Power Company of Jiangxi Province [PDF]
, 2015 现代信息社会对审计的冲击可谓是天翻地覆，国外先进的审计理论、技术和方式的大量涌入国内，审计数据正在成几何数量的增长，因此，数据日常信息的管理成为一个独立的业务来处理，需要大量的专业人员来处理相关事宜。信息化的高速发展对电网审计日常原始观念产生了巨大的冲击力，在形式和手段上都有所体现。形式上和手段上的转变，传统财务会计已经从纸制帐到转变成会计电算化，审计也相应从手工查帐到计算机审计。随着国家经济的发展，国家电网的飞速发展，伴随着基建项目的加速投建，因此，需要有大量的审计在建设过程中监督和指导 ...
章妤
core
Lightweight neural network techniques: evolution and prospect from static compression to dynamic computation [PDF]
The conflict between neural network's growing scale and edge device's limited resources has accelerated lightweight neural network techniques. Their evolution was examined through three stages: static compression (quantization, pruning, knowledge ...
DA Mingtian +3 more
core +1 more source
Rare Metals, Volume 45, Issue 1, January 2026.ABSTRACT Although magnetic carbon materials possess significant potential in the field of electromagnetic wave absorption (EWA) due to the synergistic effect of multiple attenuation mechanisms, the currently reported magnetic carbon EWA materials face some challenges, such as high cost, low yield, and easy agglomeration of the magnetic component ...
Bo Jiang +9 more
wiley +1 more source
Rare Metals, Volume 45, Issue 1, January 2026.ABSTRACT Silica nanosheets (SiO2 NSs) hold great promise for advanced thermal protection applications because of their exceptional thermal and chemical stability. However, their development has been hindered by challenges in scalable synthesis and structural integration for specialized applications.
Qun‐Yao Yuan +3 more
wiley +1 more source
Shuitu Baochi Xuebao, 2011 以中国科学院海伦农业生态实验站的长期定位施肥土壤为基础,研究长期施肥对黑土密度分组中碳和氮的影响。结果表明:氮肥能够增加土壤有机碳和全氮含量,但不如NPKOM效果明显。土壤中各组分有机碳含量的变化趋势为重组>游离态轻组>闭蓄态轻组,三者之间差异达极显著水平(p闭蓄态轻组>重组,且游离态轻组明显大于其它两个组分。NPKOM处理的闭蓄态轻组和重组组分中的有机碳浓度和全氮浓度大于其它施肥处理。碳氮比的变化趋势为游离态轻组>闭蓄态轻组>土壤>重组,重组和土壤中,NPKOM处理的碳氮比最低,CK处理的碳氮比最大 ...
芦思佳 +3 more
doaj
Design and Implementation of Wireless Video Capture Car System Based on ARM11 [PDF]
, 2015 近年来随着嵌入式系统技术、无线通信技术的快速发展，嵌入式无线视频监控系统的相关应用受到了极大的关注，体积小、功耗低、性能稳定、移动方便、适应性强是视频监控与应用的发展趋势。在此背景下，设计一套基于嵌入式系统的移动式无线视频监控系统将会有广阔的应用前景。 本文针对嵌入式无线视频采集、视频压缩、视频传输等问题，基于ARM+Linux系统、H264视频压缩、RTP传输协议等技术，设计并实现了以遥控小车为载体的基于嵌入式Linux系统的无线视频采集系统，其主要研究内容如下： 1 ...
谢祥徐
core
Performance optimization and lightweight design of floating raft vibration isolation system based on RBF-PSO algorithm [PDF]
ObjectiveTo address the challenges of heavy workload and long iterative cycles in the lightweight design of floating raft vibration isolation system in engineering applications, this study proposes a lightweight design method based on RBF-PSO multi ...
Guanjun ZHANG +3 more
core +1 more source
Ultrasound in Obstetrics &Gynecology, Volume 67, Issue 1, Page 79-88, January 2026.ABSTRACT Objective To evaluate the proportion of optimal assessments of endometrial thickness (ET) achieved by transvaginal ultrasound (TVS) compared with a multimodal (MM) sonographic approach in women with abnormal uterine bleeding (AUB). Methods This prospective observational study was a subset of the EPI‐SURE study conducted between June and ...
S. Nijjar +5 more
wiley +1 more source
Shuitu Baochi Xuebao, 2019 为探究坝上高原不同退化程度杨树人工林对枯落物及土壤水源涵养功能退化的影响，于2016年7-9月在张北县进行样地调查，对不同退化程度杨树人工林地枯落物及土壤水源涵养功能进行定量分析。结果表明：（1）林下枯落物储量表现为轻度退化（24.68 t/hm2） > 中度退化（13.43 t/hm2） > 重度退化（3.66 t/hm2），枯落物有效拦蓄量表现为轻度退化（29.28 t/hm2） > 中度退化（23.18 t/hm2） > 重度退化（3.30 t/hm2），最大持水量为轻度退化（34.90 t ...
孙立博 +5 more
doaj